Skip to main content
We use cookies to improve our service and to tailor our content and advertising to you.
More info
You can manage your cookie settings via your browser at any time. To learn more about how we use cookies, please see our
cookies policy
.
Subscribe
Log In
More
Log in via Institution
Log in via OpenAthens
Log in via RCEM
Log in using your username and password
For personal accounts OR managers of institutional accounts
Username
*
Password
*
Forgot your log in details?
Register a new account?
Forgot
your user name or password?
Basket
Search
More
Search for this keyword
Advanced search
Latest content
Current issue
Archive
Authors
About
Search for this keyword
Advanced search
Close
More
Main menu
Latest content
Current issue
Archive
Authors
About
Subscribe
Log in
More
Log in via Institution
Log in via OpenAthens
Log in via RCEM
Log in using your username and password
For personal accounts OR managers of institutional accounts
Username
*
Password
*
Forgot your log in details?
Register a new account?
Forgot
your user name or password?
BMJ Journals
More
You are here
Home
Archive
Volume 27, Issue 5
BET 1
Email alerts
Article metrics
Article menu
Article
Text
Article
info
Citation
Tools
Share
Responses
Article
metrics
Alerts
PDF
Best evidence topic reports
BET 1
Statistics from Altmetric.com
Online download statistics by month:
Online download statistics by month: May 2010 to September 2019
Abstract
Full
Pdf
May 2010
114
147
57
Jun 2010
73
85
29
Jul 2010
14
15
13
Aug 2010
31
9
12
Sep 2010
11
8
8
Oct 2010
18
13
10
Nov 2010
11
11
4
Dec 2010
2
6
7
Jan 2011
5
6
4
Feb 2011
15
10
8
Mar 2011
10
2
0
Apr 2011
7
6
2
May 2011
15
2
6
Jun 2011
14
2
1
Jul 2011
7
7
4
Aug 2011
6
2
1
Sep 2011
6
3
1
Oct 2011
13
1
2
Nov 2011
13
3
2
Dec 2011
15
1
4
Jan 2012
14
1
2
Feb 2012
6
3
2
Mar 2012
6
1
0
Apr 2012
10
2
3
May 2012
11
7
4
Jun 2012
17
10
6
Jul 2012
16
6
7
Aug 2012
15
12
9
Sep 2012
11
5
9
Oct 2012
16
4
12
Nov 2012
0
1
2
Dec 2012
0
1
2
Jan 2013
0
3
2
Feb 2013
0
7
5
Mar 2013
0
3
3
Apr 2013
0
7
7
May 2013
0
7
7
Jun 2013
12
7
6
Jul 2013
9
12
13
Aug 2013
5
6
4
Sep 2013
11
3
3
Oct 2013
4
3
1
Nov 2013
4
1
2
Dec 2013
4
2
0
Jan 2014
10
5
1
Feb 2014
1
1
6
Mar 2014
16
8
8
Apr 2014
10
2
5
May 2014
4
1
2
Jun 2014
4
2
2
Jul 2014
13
13
7
Aug 2014
3
2
1
Sep 2014
3
4
3
Oct 2014
7
1
2
Nov 2014
10
2
3
Dec 2014
1
4
2
Jan 2015
3
1
2
Feb 2015
3
3
3
Mar 2015
8
9
5
Apr 2015
4
6
6
May 2015
4
2
5
Jun 2015
15
9
5
Jul 2015
6
10
4
Aug 2015
9
3
5
Sep 2015
13
8
3
Oct 2015
3
0
0
Nov 2015
4
0
1
Dec 2015
19
4
5
Jan 2016
17
7
4
Feb 2016
12
1
0
Mar 2016
13
1
0
Apr 2016
7
7
5
May 2016
9
4
2
Jun 2016
9
6
7
Jul 2016
11
1
2
Aug 2016
9
5
1
Sep 2016
18
6
9
Oct 2016
11
1
1
Nov 2016
7
2
2
Dec 2016
61
2
27
Jan 2017
8
0
1
Feb 2017
17
2
0
Mar 2017
19
4
5
Apr 2017
12
2
0
May 2017
21
2
1
Jun 2017
32
12
8
Jul 2017
49
5
1
Aug 2017
43
6
5
Sep 2017
57
1
3
Oct 2017
33
2
1
Nov 2017
65
5
1
Dec 2017
37
0
0
Jan 2018
32
4
2
Feb 2018
34
2
4
Mar 2018
33
1
0
Apr 2018
42
4
0
May 2018
82
9
5
Jun 2018
102
9
7
Jul 2018
185
12
7
Aug 2018
120
6
5
Sep 2018
97
10
5
Oct 2018
96
5
2
Nov 2018
90
3
5
Dec 2018
62
2
1
Jan 2019
92
3
0
Feb 2019
93
5
2
Mar 2019
122
1
1
Apr 2019
70
1
1
May 2019
91
3
3
Jun 2019
76
3
0
Jul 2019
91
5
1
Aug 2019
98
4
4
Sep 2019
90
8
2
Total
3119
737
515
Read the full text or download the PDF:
Subscribe
Log in
Log in via Institution
Log in via OpenAthens
Log in via RCEM
Log in using your username and password
For personal accounts OR managers of institutional accounts
Username
*
Password
*
Forgot your log in details?
Register a new account?
Forgot
your user name or password?
PDF